哪吒打字编程打字课电脑通识[数据库基础]

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电脑通识

编程通识

Python

JavaScript

HTML

Linux常用命令

C#入门

MYSQL编程

AI人工智能

Go语言

Rust编程

少儿编程

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d

a

t

a

b

a

s

e

['deɪtəbeɪs]

n.数据库

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t

a

b

l

e

['teɪbl]

n.表

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f

i

e

l

d

['fiːld]

n.字段

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r

e

c

o

r

d

['rekɔːd]

n.记录

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s

c

h

e

m

a

['skiːmə]

n.模式

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p

r

i

m

a

r

y

k

e

y

['praɪməri kiː]

n.主键

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f

o

r

e

i

g

n

k

e

y

['fɒrən kiː]

n.外键

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i

n

d

e

x

['ɪndeks]

n.索引

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q

u

e

r

y

['kwɪəri]

n.查询

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s

q

l

['siːkwəl]

n.结构化查询语言

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d

d

l

['diː diː el]

n.数据定义语言

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d

m

l

['diː em el]

n.数据操作语言

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d

c

l

['diː siː el]

n.数据控制语言

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r

a

n

s

a

c

t

i

o

n

['træn’zækʃn]

n.事务

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c

o

m

m

i

t

['kə’mɪt]

v.提交

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r

o

l

l

b

a

c

k

['roʊlbæk]

v.回滚

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v

i

e

w

['vjuː]

n.视图

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t

r

i

g

g

e

r

['trɪɡər]

n.触发器

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s

t

o

r

e

d

p

r

o

c

e

d

u

r

e

['stɔːrd prə’siːdʒər]

n.存储过程

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c

u

r

s

o

r

['kɜːrsər]

n.游标

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c

o

n

s

t

r

a

i

n

t

['kən’streɪnt]

n.约束

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u

n

i

q

u

e

['juː’niːk]

adj.唯一的

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n

o

t

n

u

l

l

['nɒt nʌl]

adj.非空的

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d

e

f

a

u

l

t

['dɪ’fɔːlt]

n.默认值

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d

a

t

a

t

y

p

e

['deɪtə taɪp]

n.数据类型

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i

n

t

e

g

e

r

['ɪntɪdʒər]

n.整数

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v

a

r

c

h

a

r

['vɑːrkær]

n.可变字符

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b

o

o

l

e

a

n

['buːliən]

n.布尔型

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d

a

t

e

['deɪt]

n.日期型

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t

i

m

e

s

t

a

m

p

['taɪmstæmp]

n.时间戳

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j

o

i

n

['dʒɔɪn]

v.连接

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i

n

n

e

r

j

o

i

n

['ɪnər dʒɔɪn]

n.内连接

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o

u

t

e

r

j

o

i

n

['aʊtər dʒɔɪn]

n.外连接

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u

n

i

o

n

['juːniən]

n.联合

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g

r

o

u

p

b

y

['gruːp baɪ]

v.分组

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o

r

d

e

r

b

y

['ɔːrdər baɪ]

v.排序

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w

h

e

r

e

['wer]

conj.条件子句

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h

a

v

i

n

g

['hævɪŋ]

conj.分组筛选子句

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a

g

g

r

e

g

a

t

e

f

u

n

c

t

i

o

n

['æɡrɪɡət 'fʌŋkʃn]

n.聚合函数

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s

u

m

['sʌm]

n.求和

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c

o

u

n

t

['kaʊnt]

n.计数

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a

v

g

['ævɪdʒiː]

n.平均值

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m

a

x

['mæks]

n.最大值

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m

i

n

['mɪn]

n.最小值

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n

o

r

m

a

l

i

z

a

t

i

o

n

['nɔːrməlaɪ’zeɪʃn]

n.规范化

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d

e

n

o

r

m

a

l

i

z

a

t

i

o

n

['diːnɔːrməlaɪ’zeɪʃn]

n.反规范化

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a

c

i

d

['æsɪd]

n.原子性、一致性、隔离性、持久性

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r

e

p

l

i

c

a

t

i

o

n

['replɪ’keɪʃn]

n.复制

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s

h

a

r

d

i

n

g

['ʃɑːrdɪŋ]

n.分片

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b

a

c

k

u

p

['bækʌp]

n.备份

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r

e

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t

o

r

e

['rɪ’stɔːr]

v.恢复

{"title":"\u6570\u636e\u5e93\u57fa\u7840","type":"worden","split":"word","text":["database#['de\u026at\u0259be\u026as]#n.\u6570\u636e\u5e93","table#['te\u026abl]#n.\u8868","field#['fi\u02d0ld]#n.\u5b57\u6bb5","record#['rek\u0254\u02d0d]#n.\u8bb0\u5f55","schema#['ski\u02d0m\u0259]#n.\u6a21\u5f0f","primary key#['pra\u026am\u0259ri ki\u02d0]#n.\u4e3b\u952e","foreign key#['f\u0252r\u0259n ki\u02d0]#n.\u5916\u952e","index#['\u026andeks]#n.\u7d22\u5f15","query#['kw\u026a\u0259ri]#n.\u67e5\u8be2","sql#['si\u02d0kw\u0259l]#n.\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00","ddl#['di\u02d0 di\u02d0 el]#n.\u6570\u636e\u5b9a\u4e49\u8bed\u8a00","dml#['di\u02d0 em el]#n.\u6570\u636e\u64cd\u4f5c\u8bed\u8a00","dcl#['di\u02d0 si\u02d0 el]#n.\u6570\u636e\u63a7\u5236\u8bed\u8a00","transaction#['tr\u00e6n\u2019z\u00e6k\u0283n]#n.\u4e8b\u52a1","commit#['k\u0259\u2019m\u026at]#v.\u63d0\u4ea4","rollback#['ro\u028alb\u00e6k]#v.\u56de\u6eda","view#['vju\u02d0]#n.\u89c6\u56fe","trigger#['tr\u026a\u0261\u0259r]#n.\u89e6\u53d1\u5668","stored procedure#['st\u0254\u02d0rd pr\u0259\u2019si\u02d0d\u0292\u0259r]#n.\u5b58\u50a8\u8fc7\u7a0b","cursor#['k\u025c\u02d0rs\u0259r]#n.\u6e38\u6807","constraint#['k\u0259n\u2019stre\u026ant]#n.\u7ea6\u675f","unique#['ju\u02d0\u2019ni\u02d0k]#adj.\u552f\u4e00\u7684","not null#['n\u0252t n\u028cl]#adj.\u975e\u7a7a\u7684","default#['d\u026a\u2019f\u0254\u02d0lt]#n.\u9ed8\u8ba4\u503c","data type#['de\u026at\u0259 ta\u026ap]#n.\u6570\u636e\u7c7b\u578b","integer#['\u026ant\u026ad\u0292\u0259r]#n.\u6574\u6570","varchar#['v\u0251\u02d0rk\u00e6r]#n.\u53ef\u53d8\u5b57\u7b26","boolean#['bu\u02d0li\u0259n]#n.\u5e03\u5c14\u578b","date#['de\u026at]#n.\u65e5\u671f\u578b","timestamp#['ta\u026amst\u00e6mp]#n.\u65f6\u95f4\u6233","join#['d\u0292\u0254\u026an]#v.\u8fde\u63a5","inner join#['\u026an\u0259r d\u0292\u0254\u026an]#n.\u5185\u8fde\u63a5","outer join#['a\u028at\u0259r d\u0292\u0254\u026an]#n.\u5916\u8fde\u63a5","union#['ju\u02d0ni\u0259n]#n.\u8054\u5408","group by#['gru\u02d0p ba\u026a]#v.\u5206\u7ec4","order by#['\u0254\u02d0rd\u0259r ba\u026a]#v.\u6392\u5e8f","where#['wer]#conj.\u6761\u4ef6\u5b50\u53e5","having#['h\u00e6v\u026a\u014b]#conj.\u5206\u7ec4\u7b5b\u9009\u5b50\u53e5","aggregate function#['\u00e6\u0261r\u026a\u0261\u0259t 'f\u028c\u014bk\u0283n]#n.\u805a\u5408\u51fd\u6570","sum#['s\u028cm]#n.\u6c42\u548c","count#['ka\u028ant]#n.\u8ba1\u6570","avg#['\u00e6v\u026ad\u0292i\u02d0]#n.\u5e73\u5747\u503c","max#['m\u00e6ks]#n.\u6700\u5927\u503c","min#['m\u026an]#n.\u6700\u5c0f\u503c","normalization#['n\u0254\u02d0rm\u0259la\u026a\u2019ze\u026a\u0283n]#n.\u89c4\u8303\u5316","denormalization#['di\u02d0n\u0254\u02d0rm\u0259la\u026a\u2019ze\u026a\u0283n]#n.\u53cd\u89c4\u8303\u5316","acid#['\u00e6s\u026ad]#n.\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u79bb\u6027\u3001\u6301\u4e45\u6027","replication#['repl\u026a\u2019ke\u026a\u0283n]#n.\u590d\u5236","sharding#['\u0283\u0251\u02d0rd\u026a\u014b]#n.\u5206\u7247","backup#['b\u00e6k\u028cp]#n.\u5907\u4efd","restore#['r\u026a\u2019st\u0254\u02d0r]#v.\u6062\u590d"],"name":"\u6570\u636e\u5e93\u57fa\u7840","uri":"4-1-014","lock":"","pages":[{"type":"worden","label":"","text":"","chars":"","lock":"","speed":0,"accuracy":0,"focus":"","split":"word","lines":[[{"sound":"['de\u026at\u0259be\u026as]","label":"n.\u6570\u636e\u5e93","text":"database","chars":"database","pinyin":[{"label":"","chars":"d","text":"d"},{"label":"","chars":"a","text":"a"},{"label":"","chars":"t","text":"t"},{"label":"","chars":"a","text":"a"},{"label":"","chars":"b","text":"b"},{"label":"","chars":"a","text":"a"},{"label":"","chars":"s","text":"s"},{"label":"","chars":"e","text":"e"}]}],[{"sound":"['te\u026abl]","label":"n.\u8868","text":"table","chars":"table","pinyin":[{"label":"","chars":"t","text":"t"},{"label":"","chars":"a","text":"a"},{"label":"","chars":"b","text":"b"},{"label":"","chars":"l","text":"l"},{"label":"","chars":"e","text":"e"}]}],[{"sound":"['fi\u02d0ld]","label":"n.\u5b57\u6bb5","text":"field","chars":"field","pinyin":[{"label":"","chars":"f","text":"f"},{"label":"","chars":"i","text":"i"},{"label":"","chars":"e","text":"e"},{"label":"","chars":"l","text":"l"},{"label":"","chars":"d","text":"d"}]}],[{"sound":"['rek\u0254\u02d0d]","label":"n.\u8bb0\u5f55","text":"record","chars":"record","pinyin":[{"label":"","chars":"r","text":"r"},{"label":"","chars":"e","text":"e"},{"label":"","chars":"c","text":"c"},{"label":"","chars":"o","text":"o"},{"label":"","chars":"r","text":"r"},{"label":"","chars":"d","text":"d"}]}],[{"sound":"['ski\u02d0m\u0259]","label":"n.\u6a21\u5f0f","text":"schema","chars":"schema","pinyin":[{"label":"","chars":"s","text":"s"},{"label":"","chars":"c","text":"c"},{"label":"","chars":"h","text":"h"},{"label":"","chars":"e","text":"e"},{"label":"","chars":"m","text":"m"},{"label":"","chars":"a","text":"a"}]}],[{"sound":"['pra\u026am\u0259ri 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el]","label":"n.\u6570\u636e\u5b9a\u4e49\u8bed\u8a00","text":"ddl","chars":"ddl","pinyin":[{"label":"","chars":"d","text":"d"},{"label":"","chars":"d","text":"d"},{"label":"","chars":"l","text":"l"}]}],[{"sound":"['di\u02d0 em el]","label":"n.\u6570\u636e\u64cd\u4f5c\u8bed\u8a00","text":"dml","chars":"dml","pinyin":[{"label":"","chars":"d","text":"d"},{"label":"","chars":"m","text":"m"},{"label":"","chars":"l","text":"l"}]}],[{"sound":"['di\u02d0 si\u02d0 el]","label":"n.\u6570\u636e\u63a7\u5236\u8bed\u8a00","text":"dcl","chars":"dcl","pinyin":[{"label":"","chars":"d","text":"d"},{"label":"","chars":"c","text":"c"},{"label":"","chars":"l","text":"l"}]}],[{"sound":"['tr\u00e6n\u2019z\u00e6k\u0283n]","label":"n.\u4e8b\u52a1","text":"transaction","chars":"transaction","pinyin":[{"label":"","chars":"t","text":"t"},{"label":"","chars":"r","text":"r"},{"label":"","chars":"a","text":"a"},{"label":"","chars":"n","text":"n"},{"label":"","chars":"s","text":"s"},{"label":"","chars":"a","text":"a"},{"label":"","chars":"c","text":"c"},{"label":"","chars":"t","text":"t"},{"label":"","chars":"i","text":"i"},{"label":"","chars":"o","text":"o"},{"label":"","chars":"n","text":"n"}]}],[{"sound":"['k\u0259\u2019m\u026at]","label":"v.\u63d0\u4ea4","text":"commit","chars":"commit","pinyin":[{"label":"","chars":"c","text":"c"},{"label":"","chars":"o","text":"o"},{"label":"","chars":"m","text":"m"},{"label":"","chars":"m","text":"m"},{"label":"","chars":"i","text":"i"},{"label":"","chars":"t","text":"t"}]}],[{"sound":"['ro\u028alb\u00e6k]","label":"v.\u56de\u6eda","text":"rollback","chars":"rollback","pinyin":[{"label":"","chars":"r","text":"r"},{"label":"","chars":"o","text":"o"},{"label":"","chars":"l","text":"l"},{"label":"","chars":"l","text":"l"},{"label":"","chars":"b","text":"b"},{"label":"","chars":"a","text":"a"},{"label":"","chars":"c","text":"c"},{"label":"","chars":"k","text":"k"}]}],[{"sound":"['vju\u02d0]","label":"n.\u89c6\u56fe","text":"view","chars":"view","pinyin":[{"label":"","chars":"v","text":"v"},{"label":"","chars":"i","text":"i"},{"label":"","chars":"e","text":"e"},{"label":"","chars":"w","text":"w"}]}],[{"sound":"['tr\u026a\u0261\u0259r]","label":"n.\u89e6\u53d1\u5668","text":"trigger","chars":"trigger","pinyin":[{"label":"","chars":"t","text":"t"},{"label":"","chars":"r","text":"r"},{"label":"","chars":"i","text":"i"},{"label":"","chars":"g","text":"g"},{"label":"","chars":"g","text":"g"},{"label":"","chars":"e","text":"e"},{"label":"","chars":"r","text":"r"}]}],[{"sound":"['st\u0254\u02d0rd 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"},{"label":"","chars":"p","text":"p"},{"label":"","chars":"r","text":"r"},{"label":"","chars":"o","text":"o"},{"label":"","chars":"c","text":"c"},{"label":"","chars":"e","text":"e"},{"label":"","chars":"d","text":"d"},{"label":"","chars":"u","text":"u"},{"label":"","chars":"r","text":"r"},{"label":"","chars":"e","text":"e"}]}],[{"sound":"['k\u025c\u02d0rs\u0259r]","label":"n.\u6e38\u6807","text":"cursor","chars":"cursor","pinyin":[{"label":"","chars":"c","text":"c"},{"label":"","chars":"u","text":"u"},{"label":"","chars":"r","text":"r"},{"label":"","chars":"s","text":"s"},{"label":"","chars":"o","text":"o"},{"label":"","chars":"r","text":"r"}]}],[{"sound":"['k\u0259n\u2019stre\u026ant]","label":"n.\u7ea6\u675f","text":"constraint","chars":"constraint","pinyin":[{"label":"","chars":"c","text":"c"},{"label":"","chars":"o","text":"o"},{"label":"","chars":"n","text":"n"},{"label":"","chars":"s","text":"s"},{"label":"","chars":"t","text":"t"},{"label":"","chars":"r","text":"r"},{"label":"","chars":"a","text":"a"},{"label":"","chars":"i","text":"i"},{"label":"","chars":"n","text":"n"},{"label":"","chars":"t","text":"t"}]}],[{"sound":"['ju\u02d0\u2019ni\u02d0k]","label":"adj.\u552f\u4e00\u7684","text":"unique","chars":"unique","pinyin":[{"label":"","chars":"u","text":"u"},{"label":"","chars":"n","text":"n"},{"label":"","chars":"i","text":"i"},{"label":"","chars":"q","text":"q"},{"label":"","chars":"u","text":"u"},{"label":"","chars":"e","text":"e"}]}],[{"sound":"['n\u0252t 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